Now the asymmetrical Essentials builds give the impression that 'beginners' or 'slow thinkers' or 'casual players' should stick to low-complexity builds like the slayer, while the high-complexity builds like the mage should be reserved for the 'pro's'.
Maybe some of us want a character that's mechanically easier, so that we can focus more on roleplaying or tactics.
I write computer software for a living. I've used assembly language extensively throughout the years, but I avoid it when I can. Abstracting away needless complexity is a large part of the art of engineering.